Black hole ‘ringing’ confirms Einstein’s theory of relativity
A new method lets researchers detect tones coming from a black hole, which also confirms Einstein’s theory of general relativity.
The Gravitational-Wave “Revolution” Is Underway
As the fourth anniversary of the first detection approaches, the field continues to mature—with a bright future ahead — Read more on ScientificAmerican.com
80mm Aperture 600mm Astronomical Refracting Telescope with AZ Mount, 24X-180X Eyepiece, Wireless Control, Carrying Bag - For Beginners
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